Fourth LTS (Long Term Support) release of Ubuntu, code-named Precise Pangolin. Released on 26th April, 2012. Only use this tag if your question is version-specific.

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Seeing incorrectly 'Hash Sum mismatch' via apt-get on a mirror…anybody else? [duplicate]

anybody else getting this on sudo apt-get clean all ; sudo apt-get update W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/precise-updates/restricted/binary-i386/Packages Hash Sum ...
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1answer
25 views

Determine if Zebra is installed in ubuntu server

What command line should be use to determine if zebra is installed in my ubuntu server?
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56 views

Unable to resolve “E: Unable to correct problems, you have held broken packages.”

In Ubuntu 12.04,I am trying to install less and handlers using npm.While installing npm I found this error sudo apt-get install npm Reading package lists... Done Building dependency tree ...
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12 views

Server internal chat server

I'm looking for a chat server for Ubuntu 12.04 which basically allows a chat between authenticated system users. Let me explain. The use case is that on a remote headless server running a remote ...
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1answer
30 views

Virtualhost document root access previous folder

How to access previous folder via index.html that not included in virtualhost document root. For example: <VirtualHost *:443> DocumentRoot /var/www/banking/personal-banking ...
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55 views

Mounting ubuntu 14.04 host folder into VirtualBox guest Ubuntu 12.04 directory

I have a host ubuntu machine running ubuntu 14.04. I would like to share it home folder - let say /home/ln. I have installed a virtual machine using virtuabox running ubuntu 12.04. I want to share all ...
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44 views

Sound not working 12.04 after update

my sound was working perfectly fine while suddenly it stopped after an update... I tried reinstalling alsamixer and stuff - did not work. When I start alsamixer, here is what i get: Also in the ...
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116 views

Ubuntu 12.04 Hangs at *Will Now Halt* fixed with pci=noacpi but this results in NO WIRELESS

pretty new to linux. I've just bought an Asus X553M and installed Ubuntu 14.04 I found that i could not shut down the system, it just hangs on #will now halt. I installed 12.04 but it still happened. ...
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88 views

iOS devices cannot connect to hostapd wireless Access Point

I've managed to setup an AP on pc running ubuntu 12.04 with a wireless adapter with a RTL8192CU chipset. The pc is connected to internet via wlan0 and the access point is setup on wlan1. I can ...
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13 views

Multiples instances of rsyslogd running

I am administrating a Ubuntu 12.04.4 32bits server. I found out that at any given time there is 4 instances of rsyslogd running. I will like to know whether is not normal or if not why it is needed to ...
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41 views

webgl stopped working on all browsers

I'm running 12.04 on an i5 laptop with intel graphics and I noticed last week that webgl no longer worked on chrome. It has in the recent past and I can't think of anything I would have done to break ...
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Will an update to Libreoffice 4 be pushed to 12.04 LTS or is a manual update required?

The title really says it all. I've seen 14.04 and 14.10 get the update from Libreoffice 3 to 4 but I was wondering if it's coming to 12.04 LTS.
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46 views

Performance issue [duplicate]

System details: Processor: Intel® Pentium® Processor 2020M (2M Cache, 2.40 GHz) RAM 1.8GB OS type: 64-bit (Release 12.04 (precise) 64-bit) Kernel Linux 3.2.0-32-generic GNOME 3.4.1 I'm a php ...
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1answer
43 views

Avg on Ubuntu access log file

I'm using avg 2013 on my 12.04 LTS.I want to access the log file where avg stores the infections. I'm having tried to open the avgevtlog file in this directory:/opt/avg/av/bin/ but i have no ...
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3answers
27 views

Using 12.04 after support has finished

I upgraded to 14.04 but for reasons unknown to me it doesn't work as smooth as 12.04 and I downgraded back to the older version. I'm sure this is a vague description, but I'm so satisfied with 12.04 ...
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92 views

sudoers.so must be only be writable by owner [duplicate]

I am using dell 3542, installing the softwares while giving some permission issue as below. I come to know that sudo command is not working. So i have executed 2nd point but no use. 1) sudo: ...
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49 views

How to install Mesa 9.2 on Ubuntu 12.04

I want to install at least mesa 9.2. I am running 12.04 Precise Pangolin. Lots of places suggested xorg-edgers and oibaf, but every time I type sudo apt-get install mesa, it says package missing. I ...
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22 views

Upgrade 12.04 to 14.04: all installation folders in home/personal folder

I just updated my 12.04 to 14.04 and since that moment, all the installation folders are put in my home folder/personal folder (don know what itś called in English). I like to keep the folder ...
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1answer
64 views

GRUB doesn't detect Windows XP

I have installed Arch Linux yesterday on /dev/sda1. I used a Live Ubuntu USB to update GRUB, because after I installed Arch, GRUB says: "out of range". So I updated GRUB and all things were fine, but ...
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25 views

Failed to download reposistory information [duplicate]

I keep getting this failed message and I don't know how to fix it. These are the details in the error: W:Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/precise/universe/source/Sources ...
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2answers
207 views

What to expect from do-release-upgrade LTS->LTS (duration, problems, config adjustments, …)?

I have a productive Ubuntu Server LTS webserver ("classical" LAMP) running 12.04.5 LTS (up-to-date, regular apt-get update && apt-get dist-upgrade). I can only access it via SSH (rented server ...
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28 views

Dual display on Lenovo Thinkpad X1Carbon 2 (U12.4)

I have Lenovo Thinkpad X1 Carbon 2 with integrated Intel HD Graphics 4400. Screen resolution is 2560x1440. Preinstalled system was Win-8.1, I removed it and installed Ubuntu 12.04. But I have problems ...
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1answer
52 views

IPv4 configuration within a VM

I installed Ubuntu server 12.04 in a virtual machine. When I typed ifconfig, my network displayed a IPV6 IP address. How do I configure my 12.04 server to use IP v4?
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1answer
202 views

No sound in Chrome browser (flash, HTML5) in Kubuntu 12.04

I am running Kubuntu 12.04 LTS and latest Chrome browser. Since some update, I cannot get any sound when running any flash video or game within Chrome or even HTML5 videos like YouTube. I have tried ...
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16 views

how to make a deb package of two github projects in one?

I have to make a deb package of a github project - sandhi(http://github.com/manojgudi/sandhi.git) using checkinstall but the problem is that sandhi is dependent on sciscipy ( ...
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13 views

how to fix the Samba Share keeps loosing the network connectivity issue

I have a Ubuntu 12.4 LTS Server with a Samba Share where some windows clients get connected to it. as of lately Users are complaining that when they same a file or update it they can't see the file ...
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1answer
20 views

GPS nmea output, saving only last record to external file linux

I'm using a globalsat G-STAR IV GPS for my Vehicular Ad Hoc networks project. In this, the nmea output coming from the GPS gets updated every 1 second. I want to know if there is a way to save just ...
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1answer
37 views

Start tomcat7 in debug mode when running as a service

Im running tomcat7 as a service (installed as a package) in ubuntu 12.04. I just need to start it in debug mode.in a previous post they have asked to put the debugging options in ...
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44 views

Why can't I access memtest from Ubuntu 12.04 Live CD on PPC?

I have a powerbook G4 laying around and I thought I would put ubuntu or lubuntu on it to learn about lunux. I currently have lubuntu PPC on the hard drive and it freezes after a few minutes of use and ...
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1answer
26 views

Startup Disk Creator not letting me create a startup disk?

I'm trying to make a home server, and apparently, the type of server OS I'm wanting to run it on only work's with Ubuntu 12.04 LTS. I downloaded the .iso and I have my WD Pen Drive (500GB) plugged in, ...
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1answer
28 views

How to setup device mapper RAID on LVM on Ubuntu 12.04

I have read that LVM can be setup as raid without using mdadm. I have setup LVM with two physical HDD and would like to set up RAID1 but I can't find any guidance. Is there any documentation on how ...
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27 views

Unable to recover grub using boot-repair after chameleon install

here is my report from boot-repair http://paste.ubuntu.com/8880032/ message return unable to write, no such file found etc
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1answer
46 views

r8168/r8169 support on Ubuntu 12.04

I know similar questions have been asked in the forum in the past, but I cannot get the exact answer I need: hence, resorting to a new question. A month ago, my system with r1869 driver module worked ...
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28 views

Viber Notification in wrong position blocking the 'x' in Ubuntu 12.04

Please help me to move the viber notification to the right spot. The standard solutions for available for 14.04 does not help. Thanks.
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1answer
133 views

Wired internet connection not detected after installing Ubuntu 12.04

I have installed Ubuntu 12.04 on Acer travelMate 4060, with Ubuntu cd. I have no wired connection. Any help will be appreciated. $ ifconfig eth0 Link encap:Ethernet HWaddr 00:c0:9f:d0:20:c4 ...
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1answer
28 views

Upgrading 12.04 to 14.04 problem - system now unstable!

When I tried to upgrade 12.04 on my old 512 meg RAM machine to 14.04 it seemed to have trouble and now the system is unstable (screen title bar and application bar not appearing, etc.). I have ...
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24 views

guest ubuntu ver 12.04 after log in black screen on vmware workstation 10.04

anybody else running into this and has a good fix, google search has work around to uncheck 3d graphics on the display settings on the guest, which works but I lose menubar on the guest desktop. ...
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23 views

ubuntu 12.04 consuming too much bandwidth

I have ubuntu install on one of my machines and its consuming to much bandwidth, which is bringing the whole network down. I have started monitoring the bandwidth with nehogs and its consteltely ...
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2answers
384 views

How to use pidgin-whatsapp in Ubuntu?

Is it possible to execute Whats app in Ubuntu 12.04? I executed the command sudo apt-get install pidgin-whatsapp and get the following error message Reading package lists... Done Building ...
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1answer
117 views

How do I install a Flash player in Chromium? [duplicate]

I have two web browsers: Chromium, and Mozilla Firefox. Firefox let see Flash videos but with Chromium, I can not see Flash videos. How may I add Flash playback ability to Chromium?
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1answer
35 views

Is There A Way To Disable thumbnails on Ubuntu 12.04?

Is there a way to disable thumbnails from being made (captured) on Ubuntu 12.04? I'm referring in: ~/home/xxxx/.thumbnails Thanks in advance.
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1answer
54 views

how do i access files i do not have permissions for?

I am upgrading my desktop, and I transferred all my files to two hard drives. I installed Ubuntu 12.04 on a third drive, booted it up, and mounted the other two volumes. I try to access the files and ...
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47 views

FNKey Brightness - Change Behaviour

When I change my screen brightness using FN keys in Unity or other DEs, the brightness changes instantly. It is very sudden. But when I use xbrightness -dec 10 the change is more soften. Is there any ...
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44 views

Enabling systemd in Ubuntu 12.04 lxc container

Following is my setup I am running Ubuntu 12.04.1 Precise. I have and lxc container on it running upstart. I want to replace upstart with systemd. I modified the container's lxc with "virsh -c ...
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25 views

Can you forcepae whilst upgrading from within Xubuntu 12.04.4

I have installed Xubuntu 12.04.4 on a ACER TravelMate 2350 laptop and want to upgrade it to the latest version. Is there a way to forcepae from within Xubuntu whilst upgrading or do I need to do a ...
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2answers
63 views

How to install MySQL in Ubuntu Minimal 12.04

How can I install MySQL in Ubuntu Minimal 12.04? When I try to apt-get install mysql-server (as root) even after apt-get update and apt-get upgrade in a fresh install, I receive this: # Setting up ...
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15 views

Not able to connect an external monitor

I am new to ubuntu and I am facing this behavior and Don`t know what to do. I would appreciate any help. I am trying to connect external monitor via VGA(I tried even via HDMI,but no use) but not able ...
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13 views

How to solve NO IP address in the Virtual Server

Greetings Guru's & Fellow Techies.... I have a New Physical Box which runs Ubuntu 12.4 LTS in there I run Virtual Server using VMM. the problem is that VMM does not get connected to the main DC ...
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1answer
88 views

Ubuntu Command-line edit /etc/fstab

I just recover my /etc/fstab file using THIS But after reboot it says: Mount failed press S to skip and M to mount manually. on S it skip all services and just start with mount only default drive ...
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1answer
145 views

How to resolve locales dependency on 12.04

sudo apt-get check Reading package lists... Done Building dependency tree Reading state information... Done You might want to run 'apt-get -f install' to correct these. The following packages ...